Add basic display of triple count

app/routes/count.js

@@ -1,3 +1,12 @@
 import Route from '@ember/routing/route';
+import fetch from 'fetch';
 
-export default class CountRoute extends Route {}
+export default class CountRoute extends Route {
+
+  async model() {
+    let response = await fetch('/count');
+    let json = await response.json();
+    return json.results.bindings[0]["callret-0"]["value"];
+  }
+
+}

app/templates/application.hbs

@@ -6,6 +6,7 @@
   <LinkTo @route="people">People</LinkTo>
   <LinkTo @route="individual-products">Individual products</LinkTo>
   <LinkTo @route="transactions">Transactions</LinkTo>
+  <LinkTo @route="count">Triple count</LinkTo>
 </nav>
 
-{{outlet}}
+{{outlet}}

app/templates/count.hbs

@@ -1,2 +1,5 @@
-{{page-title "Count"}}
-{{outlet}}
+{{page-title "Triple count"}}
+
+<p>Triple count: {{@model}}</p>
+
+{{outlet}}